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[router] router metrics cleanup (#8158)

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This commit is contained in:
Simo Lin
2025-07-18 22:09:17 -07:00
committed by GitHub
parent 610381b75e
commit 8fcc55cfa1
9 changed files with 378 additions and 115 deletions
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4
sgl-router/src/lib.rs
View File

@@ -3,14 +3,14 @@ pub mod config;
pub mod logging;
use std::collections::HashMap;
pub mod core;
pub mod metrics;
pub mod openai_api_types;
pub mod policies;
pub mod prometheus;
pub mod routers;
pub mod server;
pub mod service_discovery;
pub mod tree;
use crate::prometheus::PrometheusConfig;
use crate::metrics::PrometheusConfig;
#[pyclass(eq)]
#[derive(Clone, PartialEq, Debug)]

324
sgl-router/src/metrics.rs Normal file
View File

@@ -0,0 +1,324 @@
use metrics::{counter, describe_counter, describe_gauge, describe_histogram, gauge, histogram};
use metrics_exporter_prometheus::{Matcher, PrometheusBuilder};
use std::net::{IpAddr, Ipv4Addr, SocketAddr};
use std::time::Duration;
#[derive(Debug, Clone)]
pub struct PrometheusConfig {
pub port: u16,
pub host: String,
}
impl Default for PrometheusConfig {
fn default() -> Self {
Self {
port: 29000,
host: "0.0.0.0".to_string(),
}
}
}
pub fn init_metrics() {
// Request metrics
describe_counter!(
"sgl_router_requests_total",
"Total number of requests by route and method"
);
describe_histogram!(
"sgl_router_request_duration_seconds",
"Request duration in seconds by route"
);
describe_counter!(
"sgl_router_request_errors_total",
"Total number of request errors by route and error type"
);
describe_counter!(
"sgl_router_retries_total",
"Total number of request retries by route"
);
// Worker metrics
describe_gauge!(
"sgl_router_active_workers",
"Number of currently active workers"
);
describe_gauge!(
"sgl_router_worker_health",
"Worker health status (1=healthy, 0=unhealthy)"
);
describe_gauge!("sgl_router_worker_load", "Current load on each worker");
describe_counter!(
"sgl_router_processed_requests_total",
"Total requests processed by each worker"
);
// Policy metrics
describe_counter!(
"sgl_router_policy_decisions_total",
"Total routing policy decisions by policy and worker"
);
describe_counter!("sgl_router_cache_hits_total", "Total cache hits");
describe_counter!("sgl_router_cache_misses_total", "Total cache misses");
describe_gauge!(
"sgl_router_tree_size",
"Current tree size for cache-aware routing"
);
describe_counter!(
"sgl_router_load_balancing_events_total",
"Total load balancing trigger events"
);
describe_gauge!("sgl_router_max_load", "Maximum worker load");
describe_gauge!("sgl_router_min_load", "Minimum worker load");
// PD-specific metrics
describe_counter!("sgl_router_pd_requests_total", "Total PD requests by route");
describe_counter!(
"sgl_router_pd_prefill_requests_total",
"Total prefill requests per worker"
);
describe_counter!(
"sgl_router_pd_decode_requests_total",
"Total decode requests per worker"
);
describe_counter!(
"sgl_router_pd_errors_total",
"Total PD errors by error type"
);
describe_counter!(
"sgl_router_pd_prefill_errors_total",
"Total prefill server errors"
);
describe_counter!(
"sgl_router_pd_decode_errors_total",
"Total decode server errors"
);
describe_counter!(
"sgl_router_pd_stream_errors_total",
"Total streaming errors per worker"
);
describe_histogram!(
"sgl_router_pd_request_duration_seconds",
"PD request duration by route"
);
// Service discovery metrics
describe_counter!(
"sgl_router_discovery_updates_total",
"Total service discovery update events"
);
describe_gauge!(
"sgl_router_discovery_workers_added",
"Number of workers added in last discovery update"
);
describe_gauge!(
"sgl_router_discovery_workers_removed",
"Number of workers removed in last discovery update"
);
// Generate request specific metrics
describe_histogram!(
"sgl_router_generate_duration_seconds",
"Generate request duration"
);
// Running requests gauge for cache-aware policy
describe_gauge!(
"sgl_router_running_requests",
"Number of running requests per worker"
);
}
pub fn start_prometheus(config: PrometheusConfig) {
// Initialize metric descriptions
init_metrics();
let duration_matcher = Matcher::Suffix(String::from("duration"));
let duration_bucket = [
0.001, 0.005, 0.01, 0.025, 0.05, 0.1, 0.25, 0.5, 1.0, 2.5, 5.0, 10.0, 15.0, 30.0, 45.0,
60.0, 90.0, 120.0, 180.0, 240.0,
];
let ip_addr: IpAddr = config
.host
.parse()
.unwrap_or(IpAddr::V4(Ipv4Addr::new(0, 0, 0, 0)));
let socket_addr = SocketAddr::new(ip_addr, config.port);
PrometheusBuilder::new()
.with_http_listener(socket_addr)
.upkeep_timeout(Duration::from_secs(5 * 60))
.set_buckets_for_metric(duration_matcher, &duration_bucket)
.expect("failed to set duration bucket")
.install()
.expect("failed to install Prometheus metrics exporter");
}
pub struct RouterMetrics;
impl RouterMetrics {
// Request metrics
pub fn record_request(route: &str) {
counter!("sgl_router_requests_total",
"route" => route.to_string()
)
.increment(1);
}
pub fn record_request_duration(route: &str, duration: Duration) {
histogram!("sgl_router_request_duration_seconds",
"route" => route.to_string()
)
.record(duration.as_secs_f64());
}
pub fn record_request_error(route: &str, error_type: &str) {
counter!("sgl_router_request_errors_total",
"route" => route.to_string(),
"error_type" => error_type.to_string()
)
.increment(1);
}
pub fn record_retry(route: &str) {
counter!("sgl_router_retries_total",
"route" => route.to_string()
)
.increment(1);
}
// Worker metrics
pub fn set_active_workers(count: usize) {
gauge!("sgl_router_active_workers").set(count as f64);
}
pub fn set_worker_health(worker_url: &str, healthy: bool) {
gauge!("sgl_router_worker_health",
"worker" => worker_url.to_string()
)
.set(if healthy { 1.0 } else { 0.0 });
}
pub fn set_worker_load(worker_url: &str, load: usize) {
gauge!("sgl_router_worker_load",
"worker" => worker_url.to_string()
)
.set(load as f64);
}
pub fn record_processed_request(worker_url: &str) {
counter!("sgl_router_processed_requests_total",
"worker" => worker_url.to_string()
)
.increment(1);
}
// Policy metrics
pub fn record_policy_decision(policy: &str, worker: &str) {
counter!("sgl_router_policy_decisions_total",
"policy" => policy.to_string(),
"worker" => worker.to_string()
)
.increment(1);
}
pub fn record_cache_hit() {
counter!("sgl_router_cache_hits_total").increment(1);
}
pub fn record_cache_miss() {
counter!("sgl_router_cache_misses_total").increment(1);
}
pub fn set_tree_size(worker: &str, size: usize) {
gauge!("sgl_router_tree_size",
"worker" => worker.to_string()
)
.set(size as f64);
}
pub fn record_load_balancing_event() {
counter!("sgl_router_load_balancing_events_total").increment(1);
}
pub fn set_load_range(max_load: usize, min_load: usize) {
gauge!("sgl_router_max_load").set(max_load as f64);
gauge!("sgl_router_min_load").set(min_load as f64);
}
// PD-specific metrics
pub fn record_pd_request(route: &str) {
counter!("sgl_router_pd_requests_total",
"route" => route.to_string()
)
.increment(1);
}
pub fn record_pd_request_duration(route: &str, duration: Duration) {
histogram!("sgl_router_pd_request_duration_seconds",
"route" => route.to_string()
)
.record(duration.as_secs_f64());
}
pub fn record_pd_prefill_request(worker: &str) {
counter!("sgl_router_pd_prefill_requests_total",
"worker" => worker.to_string()
)
.increment(1);
}
pub fn record_pd_decode_request(worker: &str) {
counter!("sgl_router_pd_decode_requests_total",
"worker" => worker.to_string()
)
.increment(1);
}
pub fn record_pd_error(error_type: &str) {
counter!("sgl_router_pd_errors_total",
"error_type" => error_type.to_string()
)
.increment(1);
}
pub fn record_pd_prefill_error(worker: &str) {
counter!("sgl_router_pd_prefill_errors_total",
"worker" => worker.to_string()
)
.increment(1);
}
pub fn record_pd_decode_error(worker: &str) {
counter!("sgl_router_pd_decode_errors_total",
"worker" => worker.to_string()
)
.increment(1);
}
pub fn record_pd_stream_error(worker: &str) {
counter!("sgl_router_pd_stream_errors_total",
"worker" => worker.to_string()
)
.increment(1);
}
// Service discovery metrics
pub fn record_discovery_update(added: usize, removed: usize) {
counter!("sgl_router_discovery_updates_total").increment(1);
gauge!("sgl_router_discovery_workers_added").set(added as f64);
gauge!("sgl_router_discovery_workers_removed").set(removed as f64);
}
// Generate request metrics
pub fn record_generate_duration(duration: Duration) {
histogram!("sgl_router_generate_duration_seconds").record(duration.as_secs_f64());
}
// Running requests for cache-aware policy
pub fn set_running_requests(worker: &str, count: usize) {
gauge!("sgl_router_running_requests",
"worker" => worker.to_string()
)
.set(count as f64);
}
}

16
sgl-router/src/policies/cache_aware.rs
View File

@@ -61,8 +61,8 @@
use super::{get_healthy_worker_indices, CacheAwareConfig, LoadBalancingPolicy};
use crate::core::Worker;
use crate::metrics::RouterMetrics;
use crate::tree::Tree;
use metrics::{counter, gauge};
use std::sync::{Arc, Mutex};
use std::thread;
use std::time::Duration;
@@ -171,9 +171,8 @@ impl LoadBalancingPolicy for CacheAwarePolicy {
max_load, min_load, worker_loads
);
counter!("sgl_router_load_balancing_events_total").increment(1);
gauge!("sgl_router_max_load").set(max_load as f64);
gauge!("sgl_router_min_load").set(min_load as f64);
RouterMetrics::record_load_balancing_event();
RouterMetrics::set_load_range(max_load, min_load);
// Use shortest queue when imbalanced
let min_load_idx = healthy_indices
@@ -183,8 +182,7 @@ impl LoadBalancingPolicy for CacheAwarePolicy {
// Increment processed counter
workers[min_load_idx].increment_processed();
counter!("sgl_router_processed_requests_total", "worker" => workers[min_load_idx].url().to_string())
.increment(1);
RouterMetrics::record_processed_request(workers[min_load_idx].url());
return Some(min_load_idx);
}
@@ -201,10 +199,10 @@ impl LoadBalancingPolicy for CacheAwarePolicy {
};
let selected_url = if match_rate > self.config.cache_threshold {
counter!("sgl_router_cache_hits_total").increment(1);
RouterMetrics::record_cache_hit();
matched_worker.to_string()
} else {
counter!("sgl_router_cache_misses_total").increment(1);
RouterMetrics::record_cache_miss();
tree.get_smallest_tenant()
};
@@ -221,7 +219,7 @@ impl LoadBalancingPolicy for CacheAwarePolicy {
// Increment processed counter
workers[selected_idx].increment_processed();
counter!("sgl_router_processed_requests_total", "worker" => selected_url).increment(1);
RouterMetrics::record_processed_request(&selected_url);
return Some(selected_idx);
}

5
sgl-router/src/policies/power_of_two.rs
View File

@@ -2,7 +2,7 @@
use super::{get_healthy_worker_indices, LoadBalancingPolicy};
use crate::core::Worker;
use metrics::counter;
use crate::metrics::RouterMetrics;
use rand::Rng;
use std::collections::HashMap;
use std::sync::RwLock;
@@ -89,8 +89,7 @@ impl LoadBalancingPolicy for PowerOfTwoPolicy {
// Increment processed counter
workers[selected_idx].increment_processed();
counter!("sgl_router_processed_requests_total", "worker" => workers[selected_idx].url().to_string())
.increment(1);
RouterMetrics::record_processed_request(workers[selected_idx].url());
Some(selected_idx)
}

40
sgl-router/src/prometheus.rs
View File

@@ -1,40 +0,0 @@
use metrics_exporter_prometheus::{Matcher, PrometheusBuilder};
use std::net::{IpAddr, Ipv4Addr, SocketAddr};
use std::time::Duration;
#[derive(Debug, Clone)]
pub struct PrometheusConfig {
pub port: u16,
pub host: String,
}
impl Default for PrometheusConfig {
fn default() -> Self {
Self {
port: 29000,
host: "0.0.0.0".to_string(),
}
}
}
pub fn start_prometheus(config: PrometheusConfig) {
let duration_matcher = Matcher::Suffix(String::from("duration"));
let duration_bucket = [
0.001, 0.005, 0.01, 0.025, 0.05, 0.1, 0.25, 0.5, 1.0, 2.5, 5.0, 10.0, 15.0, 30.0, 45.0,
60.0, 90.0, 120.0, 180.0, 240.0,
];
let ip_addr: IpAddr = config
.host
.parse()
.unwrap_or(IpAddr::V4(Ipv4Addr::new(0, 0, 0, 0)));
let socket_addr = SocketAddr::new(ip_addr, config.port);
PrometheusBuilder::new()
.with_http_listener(socket_addr)
.upkeep_timeout(Duration::from_secs(5 * 60))
.set_buckets_for_metric(duration_matcher, &duration_bucket)
.expect("failed to set duration bucket")
.install()
.expect("failed to install Prometheus metrics exporter");
}

40
sgl-router/src/routers/pd_router.rs
View File

@@ -4,13 +4,13 @@
use super::pd_types::{api_path, Bootstrap, ChatReqInput, GenerateReqInput, PDRouterError};
use super::request_adapter::ToPdRequest;
use crate::core::{HealthChecker, Worker, WorkerFactory, WorkerLoadGuard};
use crate::metrics::RouterMetrics;
use crate::openai_api_types::{ChatCompletionRequest, CompletionRequest, GenerateRequest};
use crate::policies::LoadBalancingPolicy;
use crate::tree::Tree;
use actix_web::http::header::{HeaderValue, CONTENT_TYPE};
use actix_web::{HttpRequest, HttpResponse};
use futures_util::{StreamExt, TryStreamExt};
use metrics::{counter, histogram};
use serde_json::Value;
use std::collections::HashMap;
use std::sync::{Arc, Mutex, RwLock};
@@ -296,7 +296,7 @@ impl PDRouter {
Ok(pair) => pair,
Err(e) => {
error!("Failed to select PD pair: {}", e);
counter!("sgl_router_pd_errors_total", "error" => "server_selection").increment(1);
RouterMetrics::record_pd_error("server_selection");
return HttpResponse::ServiceUnavailable()
.body(format!("No available servers: {}", e));
}
@@ -313,7 +313,7 @@ impl PDRouter {
// Add bootstrap info using the trait method
if let Err(e) = typed_req.add_bootstrap_info(prefill.as_ref()) {
error!("Failed to add bootstrap info: {}", e);
counter!("sgl_router_pd_errors_total", "error" => "bootstrap_injection").increment(1);
RouterMetrics::record_pd_error("bootstrap_injection");
return HttpResponse::InternalServerError()
.body(format!("Bootstrap injection failed: {}", e));
}
@@ -374,7 +374,7 @@ impl PDRouter {
Ok(pair) => pair,
Err(e) => {
error!("Failed to select PD pair: {}", e);
counter!("sgl_router_pd_errors_total", "error" => "server_selection").increment(1);
RouterMetrics::record_pd_error("server_selection");
return HttpResponse::ServiceUnavailable()
.body(format!("No available servers: {}", e));
}
@@ -391,7 +391,7 @@ impl PDRouter {
// Add bootstrap info using the trait method
if let Err(e) = typed_req.add_bootstrap_info(prefill.as_ref()) {
error!("Failed to add bootstrap info: {}", e);
counter!("sgl_router_pd_errors_total", "error" => "bootstrap_injection").increment(1);
RouterMetrics::record_pd_error("bootstrap_injection");
return HttpResponse::InternalServerError()
.body(format!("Bootstrap injection failed: {}", e));
}
@@ -460,13 +460,10 @@ impl PDRouter {
// Update metrics
let duration = start_time.elapsed();
histogram!("sgl_router_pd_request_duration_seconds", "route" => route.to_string())
.record(duration.as_secs_f64());
counter!("sgl_router_pd_requests_total", "route" => route.to_string()).increment(1);
counter!("sgl_router_pd_prefill_requests_total", "worker" => prefill.url().to_string())
.increment(1);
counter!("sgl_router_pd_decode_requests_total", "worker" => decode.url().to_string())
.increment(1);
RouterMetrics::record_pd_request_duration(route, duration);
RouterMetrics::record_pd_request(route);
RouterMetrics::record_pd_prefill_request(prefill.url());
RouterMetrics::record_pd_decode_request(decode.url());
// Process decode response
match decode_result {
@@ -475,7 +472,7 @@ impl PDRouter {
.unwrap_or(actix_web::http::StatusCode::INTERNAL_SERVER_ERROR);
if !status.is_success() {
counter!("sgl_router_pd_decode_errors_total", "worker" => decode.url().to_string()).increment(1);
RouterMetrics::record_pd_decode_error(decode.url());
error!(
"Decode server {} returned error status: {}",
decode.url(),
@@ -501,7 +498,7 @@ impl PDRouter {
prefill.url(),
e
);
counter!("sgl_router_pd_prefill_errors_total", "worker" => prefill.url().to_string()).increment(1);
RouterMetrics::record_pd_prefill_error(prefill.url());
}
if is_stream {
@@ -548,13 +545,19 @@ impl PDRouter {
} else {
// No logprob merging needed
HttpResponse::build(status)
.insert_header((CONTENT_TYPE, HeaderValue::from_static("text/event-stream")))
.insert_header((
CONTENT_TYPE,
HeaderValue::from_static("text/event-stream"),
))
.streaming({
let decode_url = decode.url().to_string();
res.bytes_stream().map_err(move |e| {
error!("Stream error from decode server {}: {}", decode_url, e);
counter!("sgl_router_pd_stream_errors_total", "worker" => decode_url.to_string()).increment(1);
actix_web::error::ErrorInternalServerError(format!("Stream error: {}", e))
RouterMetrics::record_pd_stream_error(&decode_url);
actix_web::error::ErrorInternalServerError(format!(
"Stream error: {}",
e
))
})
})
}
@@ -578,8 +581,7 @@ impl PDRouter {
}
Err(e) => {
error!("Decode request failed: {}", e);
counter!("sgl_router_pd_decode_errors_total", "worker" => decode.url().to_string())
.increment(1);
RouterMetrics::record_pd_decode_error(decode.url());
HttpResponse::BadGateway().body(format!("Decode server error: {}", e))
}
}

14
sgl-router/src/routers/pd_types.rs
View File

@@ -151,13 +151,6 @@ impl GenerateReqInput {
if texts.is_empty() {
return Err("Batch text array is empty".to_string());
}
if texts.len() > 10000 {
// Reasonable limit for production
return Err(format!(
"Batch size {} exceeds maximum allowed (10000)",
texts.len()
));
}
return Ok(Some(texts.len()));
}
@@ -166,13 +159,6 @@ impl GenerateReqInput {
if ids.is_empty() {
return Err("Batch input_ids array is empty".to_string());
}
if ids.len() > 10000 {
// Reasonable limit for production
return Err(format!(
"Batch size {} exceeds maximum allowed (10000)",
ids.len()
));
}
// Validate each sequence is not empty
for (i, seq) in ids.iter().enumerate() {
if seq.is_empty() {

46
sgl-router/src/routers/router.rs
View File

@@ -1,6 +1,6 @@
use crate::core::{HealthChecker, Worker, WorkerFactory};
use crate::metrics::RouterMetrics;
use crate::policies::LoadBalancingPolicy;
use ::metrics::{counter, gauge, histogram};
use actix_web::http::header::{HeaderValue, CONTENT_TYPE};
use actix_web::{HttpRequest, HttpResponse};
use futures_util::{StreamExt, TryStreamExt};
@@ -43,7 +43,7 @@ impl Router {
interval_secs: u64,
) -> Result<Self, String> {
// Update active workers gauge
gauge!("sgl_router_active_workers").set(worker_urls.len() as f64);
RouterMetrics::set_active_workers(worker_urls.len());
// Wait for workers to be healthy (skip if empty - for service discovery mode)
if !worker_urls.is_empty() {
@@ -215,13 +215,11 @@ impl Router {
// Record request metrics
if route != "/health" {
let duration = start.elapsed();
counter!("sgl_router_requests_total", "route" => route.to_string()).increment(1);
histogram!("sgl_router_request_duration_seconds", "route" => route.to_string())
.record(duration.as_secs_f64());
RouterMetrics::record_request(route);
RouterMetrics::record_request_duration(route, duration);
if !response.status().is_success() {
counter!("sgl_router_request_errors_total", "route" => route.to_string())
.increment(1);
RouterMetrics::record_request_error(route, "request_failed");
}
}
response
@@ -390,7 +388,7 @@ impl Router {
while request_retries < MAX_REQUEST_RETRIES {
if total_retries >= 1 {
info!("Retrying request after {} failed attempts", total_retries);
counter!("sgl_router_retries_total", "route" => route.to_string()).increment(1);
RouterMetrics::record_retry(route);
}
// Increment load before request if using RAII load tracking
@@ -398,8 +396,7 @@ impl Router {
let workers_guard = self.workers.read().unwrap();
if let Some(worker) = workers_guard.iter().find(|w| w.url() == &worker_url) {
worker.increment_load();
gauge!("sgl_router_running_requests", "worker" => worker_url.to_string())
.set(worker.load() as f64);
RouterMetrics::set_running_requests(&worker_url, worker.load());
true
} else {
false
@@ -423,16 +420,14 @@ impl Router {
if response.status().is_success() {
let duration = start.elapsed();
histogram!("sgl_router_generate_duration_seconds", "route" => route.to_string())
.record(duration.as_secs_f64());
RouterMetrics::record_generate_duration(duration);
return response;
} else {
// if the worker is healthy, it means the request is bad, so return the error response
let health_response =
self.send_request(client, &worker_url, "/health", req).await;
if health_response.status().is_success() {
counter!("sgl_router_request_errors_total", "route" => route.to_string())
.increment(1);
RouterMetrics::record_request_error(route, "request_failed");
return response;
}
}
@@ -455,7 +450,7 @@ impl Router {
}
}
counter!("sgl_router_request_errors_total", "route" => route.to_string()).increment(1);
RouterMetrics::record_request_error(route, "request_failed");
HttpResponse::InternalServerError().body("All retry attempts failed")
}
@@ -512,8 +507,7 @@ impl Router {
if let Ok(workers_guard) = self.workers.read() {
if let Some(worker) = workers_guard.iter().find(|w| w.url() == worker_url) {
worker.decrement_load();
gauge!("sgl_router_running_requests", "worker" => worker_url.to_string())
.set(worker.load() as f64);
RouterMetrics::set_running_requests(&worker_url, worker.load());
}
}
}
@@ -540,17 +534,15 @@ impl Router {
if let Ok(workers_guard) = self.workers.read() {
if let Some(worker) = workers_guard.iter().find(|w| w.url() == worker_url) {
worker.decrement_load();
gauge!("sgl_router_running_requests", "worker" => worker_url.to_string())
.set(worker.load() as f64);
RouterMetrics::set_running_requests(&worker_url, worker.load());
}
}
}
// Record metrics
let duration = start.elapsed();
histogram!("sgl_router_generate_duration_seconds", "route" => route.to_string())
.record(duration.as_secs_f64());
counter!("sgl_router_requests_total", "route" => route.to_string()).increment(1);
RouterMetrics::record_generate_duration(duration);
RouterMetrics::record_request(route);
response
} else if load_incremented {
@@ -577,8 +569,10 @@ impl Router {
workers_guard.iter().find(|w| w.url() == &worker_url)
{
worker.decrement_load();
gauge!("sgl_router_running_requests", "worker" => worker_url.to_string())
.set(worker.load() as f64);
RouterMetrics::set_running_requests(
&worker_url,
worker.load(),
);
debug!("Streaming is done!!")
}
}
@@ -626,7 +620,7 @@ impl Router {
info!("Added worker: {}", worker_url);
let new_worker = WorkerFactory::create_regular(worker_url.to_string());
workers_guard.push(new_worker);
gauge!("sgl_router_active_workers").set(workers_guard.len() as f64);
RouterMetrics::set_active_workers(workers_guard.len());
// If cache aware policy, initialize the worker in the tree
if let Some(cache_aware) =
@@ -680,7 +674,7 @@ impl Router {
if let Some(index) = workers_guard.iter().position(|w| w.url() == worker_url) {
workers_guard.remove(index);
info!("Removed worker: {}", worker_url);
gauge!("sgl_router_active_workers").set(workers_guard.len() as f64);
RouterMetrics::set_active_workers(workers_guard.len());
} else {
warn!("Worker {} not found, skipping removal", worker_url);
return;

4
sgl-router/src/server.rs
View File

@@ -1,7 +1,7 @@
use crate::config::RouterConfig;
use crate::logging::{self, LoggingConfig};
use crate::metrics::{self, PrometheusConfig};
use crate::openai_api_types::{ChatCompletionRequest, CompletionRequest, GenerateRequest};
use crate::prometheus::{self, PrometheusConfig};
use crate::routers::{RouterFactory, RouterTrait};
use crate::service_discovery::{start_service_discovery, ServiceDiscoveryConfig};
use actix_web::{
@@ -237,7 +237,7 @@ pub async fn startup(config: ServerConfig) -> std::io::Result<()> {
"🚧 Initializing Prometheus metrics on {}:{}",
prometheus_config.host, prometheus_config.port
);
prometheus::start_prometheus(prometheus_config);
metrics::start_prometheus(prometheus_config);
} else {
info!("🚧 Prometheus metrics disabled");
}